Automatic balance locking device

Abstract

The invention discloses an automatic balance locking device which comprises a base, a workpiece positioning seat is arranged on the base, clamping mechanisms are arranged on the two sides of the workpiece positioning seat, a lifting assembly is arranged on the rear side of the workpiece positioning seat, and a plurality of radial sliding rails are arranged on the lifting assembly. The multiple radial sliding rails are evenly distributed around the center circumference of the workpiece positioning base, locking devices are arranged on the radial sliding rails, a quick adjusting mechanism is arranged, and the positioning structure and the distance between the screw locking devices are adjusted according to the sizes of speed reduction discs of different models and the hole site distance. In addition, the screw locking device can conduct rotating power transmission through the universal transmission shaft when the spatial position changes, it is guaranteed that the screw locking device adapts to screw locking in different directions, synchronous opening and closing adjustment of the multiple screw locking devices is achieved, the assembling efficiency is improved, and input of manpower and material resources is reduced.

Description

Technical Field

[0001] The invention relates to a precision instrument processing device, in particular to an automatic balancing locking device. Background Art

[0002] High-precision three-dimensional coordinate measuring machines are tools and instruments for current industrial manufacturing and quality control. They are also high-end quality inspection equipment that is essential for the current new energy industry and are indispensable in quality control. In order to obtain high-quality measuring machines, reliable mechanical device structures are required for processing, stable fixtures and assembly processes are required to obtain smooth and precise transmission. In order to solve the transmission assembly problem, the machine's speed reducer fixing and locking step is one of the keys. The structure requires that the speed reducer must not exceed 0.02mm in the longitudinal runout after being locked. The current assembly requires the use of simple tools to tighten the disc, and then use hexagon socket screws to gradually tighten the empty space and the external cylindrical parts. Due to manual tightening, the disc will run radially after assembly. Nearly 30% of the products need to be loosened and retightened repeatedly, which is labor-intensive and the quality cannot be guaranteed. In addition, the manual screw connection of the speed reducer disc to the cylindrical parts requires step-by-step twisting of the screws, which is time-consuming and labor-intensive. In view of the above problems, it is necessary to design a structure that can be suitable for holes of different sizes and can achieve synchronous automatic tightening of screws in multiple holes.

[0003] Therefore, the existing precision instrument processing devices need to be further improved. Summary of the invention

[0004] The purpose of the present invention is to provide an automated balanced locking device that can be adapted to holes of different sizes and can achieve synchronous and automatic tightening of screws at multiple holes.

[0005] In order to achieve the above object, the present invention adopts the following scheme: An automated balancing locking device, comprising a base, a workpiece positioning seat is arranged on the base, clamping mechanisms are arranged on both sides of the workpiece positioning seat, a lifting assembly is arranged on the rear side of the workpiece positioning seat, a plurality of radial sliding tracks are arranged on the lifting assembly, and the plurality of radial sliding tracks are evenly distributed around the central circumference of the workpiece positioning seat, a locking device is arranged on the radial sliding track, a synchronous control mechanism for synchronously controlling the displacement distance of the plurality of radial sliding tracks is arranged on the lifting assembly, and a rotation output assembly for controlling the rotation of the plurality of locking devices is arranged above the base; The lifting component is provided with an infrared locator, and the infrared locator is communicatively connected to the synchronous control mechanism.

[0006] Further, the workpiece positioning seat comprises a height adjustment component arranged on the base, the height adjustment component is provided with a workpiece mounting seat, the workpiece mounting seat is provided with a workpiece placement groove, and a feed opening is provided in front of the workpiece placement groove; The workpiece placement groove includes multiple layers of annular grooves with different diameters; The annular groove is gradually deformed from top to bottom.

[0007] Furthermore, the clamping mechanism includes a cylinder fixing seat arranged on both sides of the workpiece mounting seat, a cylinder is arranged on the cylinder fixing seat toward the workpiece mounting seat, a replaceable clamping assembly is arranged at the output end of the cylinder, an arc groove is arranged on the inner wall of the clamping assembly, and an anti-slip pad is arranged on the surface of the arc groove.

[0008] Furthermore, the lifting assembly includes a vertical guide shaft arranged behind the workpiece mounting seat, and also includes a lifting base plate, the lifting base plate is provided with a guide shaft hole, the guide shaft hole is sleeved on the vertical guide shaft, an upper plate is provided at the upper end of the vertical guide shaft, a push rod motor is provided on the upper plate, and the push rod motor is fixedly connected to the lifting base plate.

[0009] Furthermore, there are four radial sliding tracks, and the radial sliding tracks are arranged in a medium radial direction in the middle of the workpiece positioning seat; The radial sliding track comprises a radial track arranged on the lifting base plate, and a radial sliding block is movably arranged on the radial track.

[0010] Further, the locking device comprises a rotating shaft sleeve arranged on the radial slider, a rotating shaft body is rotatably arranged in the rotating shaft sleeve, two limiting rings are arranged on the rotating shaft body for pressing the two end surfaces of the rotating shaft sleeve, and a tightening part is arranged at the lower end of the rotating shaft body; The tightening portion is provided as a hexagonal groove.

[0011] Furthermore, the synchronous control mechanism includes an annular groove arranged on the lifting base plate, an adjusting ring is rotatably arranged in the annular groove, four first hinge parts are arranged on the upper end surface of the adjusting ring, and the four first hinge parts are evenly distributed around the central circumference of the adjusting ring. A second hinge part is arranged on the radial slider, a push-pull connecting rod is hinged between the first hinge part and the closest second hinge part, and a driving component for controlling the square rotation of the adjusting ring is arranged on the lifting base plate.

[0012] Furthermore, the driving assembly includes a passive gear arranged on the circumferential outer wall of the adjusting ring, a forward and reverse motor is arranged on the lifting base plate, a driving gear is arranged at the output end of the forward and reverse motor, and the driving gear and the passive gear are meshed for transmission.

[0013] Furthermore, the rotation output assembly includes four drive motors arranged on the upper plate, a telescopic transmission shaft is provided at the output end of the drive motor, a universal transmission shaft is connected between the telescopic transmission shaft and the upper end of a corresponding rotating shaft body, a limiting structure is provided between the outer sleeve and the inner shaft body of the telescopic transmission shaft, and the limiting structure is used to ensure the synchronous rotation of the outer sleeve and the inner shaft body.

[0014] Furthermore, the infrared locator comprises an infrared positioning sensor disposed on the lifting substrate, the infrared positioning sensor is communicatively connected to an encoder, and the encoder is communicatively connected to the forward and reverse motor; A locking screw is installed on the locking device; The infrared positioning sensor is used to locate the four hole spacings between the speed reducer and the connector; the four locking screws need to be installed in the four holes for connection respectively; Feeding back the spacing information to the encoder, and the encoder then transmits the number of rotations of the forward and reverse motor to the forward and reverse motor; The forward and reverse motors perform angular rotation, thereby adjusting the spacing between the four locking devices to align with the four hole positions.

[0015] In summary, the present invention has the following beneficial effects compared with the prior art: The present invention solves the shortcomings existing in the existing high-precision three-dimensional coordinate measuring machine processing method. Through the structural setting of the present invention, it has the following advantages: it has a quick adjustment mechanism, and can adjust the positioning structure and the spacing of the screw locking device according to the size of the reduction disc of different models and the hole spacing. The screw locking device can also transmit rotational power through the universal transmission shaft when the spatial position changes, so as to ensure that the screw locking device can adapt to the locking of screws in different directions. Multiple screw locking devices can realize synchronous opening and closing adjustment, and the adjustment efficiency is higher. Therefore, it is possible to fix reduction discs of multiple disc sizes and lengths, thereby improving assembly efficiency and reducing the investment of manpower and material resources. The structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A perspective view of the present invention; Figure 2 for Figure 1 A local enlarged view of point A; Figure 3 It is a front view of the present invention; Figure 4 for Figure 3 Sectional view along line BB; Figure 5 for Figure 3 Cross-sectional view along line CC. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-5 The present invention provides an automated balancing locking device, comprising a base 1, a workpiece positioning seat 2 is arranged on the base 1, clamping mechanisms 3 are arranged on both sides of the workpiece positioning seat 2, a lifting assembly 4 is arranged on the rear side of the workpiece positioning seat 2, a plurality of radial sliding tracks 5 are arranged on the lifting assembly 4, and the plurality of radial sliding tracks 5 are evenly distributed around the central circumference of the workpiece positioning seat 2, a locking device 6 is arranged on the radial sliding track 5, a synchronous control mechanism 7 for synchronously controlling the displacement distance of the plurality of radial sliding tracks 5 is arranged on the lifting assembly 4, and a rotation output assembly 8 for controlling the rotation of the plurality of locking devices 6 is arranged above the base 1; The lifting assembly 4 is provided with an infrared locator, and the infrared locator is communicatively connected to the synchronous control mechanism 7 .

[0019] The workpiece positioning seat 2 of the present invention comprises a height adjustment component 201 arranged on the base 1, a workpiece mounting seat 202 is arranged on the height adjustment component 201, a workpiece placement groove 203 is arranged on the workpiece mounting seat 202, and a feed opening is arranged in front of the workpiece placement groove 203; The workpiece placement groove 203 includes multiple layers of annular grooves with different diameters; The annular groove gradually deforms from top to bottom; According to the size of the speed reducer, it is installed in annular grooves of different heights for positioning and clamping. A cylindrical workpiece is connected to the bottom. A plurality of screw holes and hole positions are aligned between the cylindrical workpiece and the speed reducer, and the screws are placed in the hole positions. Start the device, and adjust the spacing between the plurality of locking devices 6 so that the plurality of locking devices 6 correspond to the plurality of hole positions respectively; By controlling the synchronous control mechanism 7 to work, the synchronous control mechanism 7 drives the plurality of radial sliding rails 5 to move, so that the plurality of locking devices 6 are respectively away from or close to the center position of the speed reduction plate; When the locking device 6 is aligned with the empty position, the lifting assembly 4 is started to descend, so that the locking device 6 twists the screw to tighten the speed reduction plate and the bottom cylindrical part at one time; Since the spatial position of the locking device 6 will change during adjustment, the rotation output assembly 8 is provided, and the rotation output assembly 8 can always maintain a transmission state according to the change of the spatial position of the locking device 6 .

[0020] The clamping mechanism 3 of the present invention includes a cylinder fixing seat 301 arranged on both sides of the workpiece mounting seat 202, a cylinder 302 is arranged on the cylinder fixing seat 301 toward the workpiece mounting seat 202, a replaceable clamping assembly 304 is arranged at the output end of the cylinder 302, an arc groove is arranged on the inner wall of the clamping assembly 304, and an anti-slip pad is arranged on the surface of the arc groove.

[0021] The lifting assembly 4 described in the present invention includes a vertical guide shaft 401 arranged behind the workpiece mounting seat 202, and also includes a lifting base plate 402, the lifting base plate 402 is provided with a guide shaft hole 405, the guide shaft hole 405 is sleeved on the vertical guide shaft 401, the upper end of the vertical guide shaft 401 is provided with an upper plate 403, the upper plate 403 is provided with a push rod motor 404, and the push rod motor 404 and the lifting base plate 402 are fixedly connected.

[0022] The number of the radial sliding tracks 5 of the present invention is four, and the radial sliding tracks 5 are arranged in a medium radial direction in the middle of the workpiece positioning seat 2; The radial sliding track 5 includes a radial track 501 disposed on the lifting base plate 402 , and a radial sliding block 502 is movably disposed on the radial track 501 .

[0023] The locking device 6 of the present invention comprises a rotating shaft sleeve 601 arranged on the radial slider 502, a rotating shaft body 602 is rotatably arranged in the rotating shaft sleeve 601, two limiting rings 603 for pressing the two end surfaces of the rotating shaft sleeve 601 are arranged on the rotating shaft body 602, and a tightening part 604 is arranged at the lower end of the rotating shaft body 602; The tightening portion 604 is configured as a hexagonal groove.

[0024] The synchronous control mechanism 7 of the present invention comprises an annular groove 701 provided on the lifting base plate 402, an adjusting ring 702 is rotatably provided in the annular groove 701, four first hinged parts 703 are provided on the upper end surface of the adjusting ring 702, and the four first hinged parts 703 are evenly distributed around the central circumference of the adjusting ring 702, a second hinged part 704 is provided on the radial slider 502, a push-pull connecting rod 705 is hinged between the first hinged part 703 and the closest second hinged part 704, and a driving component 706 for controlling the square rotation of the adjusting ring 702 is provided on the lifting base plate 402; When the adjustment ring 702 rotates, it drives the four first hinge parts 703 to rotate synchronously. The first hinge parts 703 push or pull the push-pull connecting rod 705. The push-pull connecting rod 705 adjusts the displacement distance of the radial slider 502 to achieve the mutual distance or proximity of the four radial sliders 502.

[0025] The driving assembly 706 of the present invention includes a passive gear 7061 arranged on the outer circumferential wall of the adjusting ring 702, a forward and reverse motor 7062 is arranged on the lifting base plate 402, and a driving gear 7063 is arranged at the output end of the forward and reverse motor 7062, and the driving gear 7063 and the passive gear 7061 are meshed and transmitted.

[0026] The rotary output assembly 8 of the present invention comprises four drive motors 801 arranged on the upper plate 403, and a telescopic transmission shaft 802 is arranged at the output end of the drive motor 801, and a universal transmission shaft 803 is connected between the telescopic transmission shaft 802 and the upper end of a corresponding rotating shaft body 602, and a limiting structure is arranged between the outer sleeve and the inner shaft body of the telescopic transmission shaft 802, and the limiting structure is used to ensure that the outer sleeve and the inner shaft body rotate synchronously; The telescopic transmission shaft 802 is adjusted according to the horizontal height of the locking device 6, and the universal transmission shaft 803 is adjusted according to the horizontal position distance of the locking device 6 to ensure that the motor rotation power is transmitted to the rotation input end of the locking device 6.

[0027] The infrared locator of the present invention comprises an infrared positioning sensor disposed on the lifting base plate 402, the infrared positioning sensor is communicatively connected to an encoder, and the encoder is communicatively connected to the forward and reverse motor 7062; The locking device 6 is provided with a locking screw; The infrared positioning sensor is used to locate the four hole spacings between the speed reducer and the connector; the four locking screws need to be installed in the four holes for connection respectively; Feedback the spacing information to the encoder, and the encoder then transmits the rotation number information of the forward and reverse motor 7062 to the forward and reverse motor 7062; The forward and reverse motor 7062 performs angular rotation, thereby adjusting the spacing between the four locking devices 6 to align with the four hole positions; In the present invention: through PLC control, the torque can be stably fixed from small to large; according to the different hole spacings of the tensioning sleeve, the distance between the lock heads can be adjusted with one button; the clamping force can be adjusted according to different products; the infrared alignment position can be used for alignment operation; the machine frame is equipped with an infrared anti-shooting safety protection device to prevent hands and other objects from accidentally touching the start-up work; the product information parameters can be input to realize one-button PLC operation.

[0028] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An automatic balancing locking device, comprising a base (1), characterized in that: A workpiece positioning seat (2) is arranged on the base (1), clamping mechanisms (3) are arranged on both sides of the workpiece positioning seat (2), a lifting assembly (4) is arranged on the rear side of the workpiece positioning seat (2), a plurality of radial sliding tracks (5) are arranged on the lifting assembly (4), the plurality of radial sliding tracks (5) are evenly distributed around the central circumference of the workpiece positioning seat (2), a locking device (6) is arranged on the radial sliding track (5), a synchronous control mechanism (7) for synchronously controlling the displacement distance of the plurality of radial sliding tracks (5) is arranged on the lifting assembly (4), and a rotation output assembly (8) for controlling the rotation of the plurality of locking devices (6) is arranged above the base (1); An infrared locator is provided on the lifting component (4), and the infrared locator is communicatively connected to the synchronous control mechanism (7).

2. An automatic balancing locking device according to claim 1, characterized in that: The workpiece positioning seat (2) comprises a height adjustment component (201) arranged on the base (1), a workpiece mounting seat (202) is arranged on the height adjustment component (201), a workpiece placement groove (203) is arranged on the workpiece mounting seat (202), and a feed opening is arranged in front of the workpiece placement groove (203); The workpiece placement groove (203) comprises multiple layers of annular grooves with different diameters; The annular groove is gradually deformed from top to bottom.

3. An automatic balancing locking device according to claim 2, characterized in that: The clamping mechanism (3) comprises a cylinder fixing seat (301) arranged on both sides of the workpiece mounting seat (202), a cylinder (302) being arranged on the cylinder fixing seat (301) in a direction toward the workpiece mounting seat (202), a replaceable clamping assembly (304) being arranged at an output end of the cylinder (302), an arc groove being arranged on an inner wall of the clamping assembly (304), and an anti-slip pad being arranged on a surface of the arc groove.

4. An automatic balancing locking device according to claim 3, characterized in that: The lifting assembly (4) comprises a vertical guide shaft (401) arranged at the rear of the workpiece mounting seat (202), and also comprises a lifting base plate (402), the lifting base plate (402) is provided with a guide shaft hole (405), the guide shaft hole (405) is sleeved on the vertical guide shaft (401), an upper plate (403) is provided at the upper end of the vertical guide shaft (401), a push rod motor (404) is provided on the upper plate (403), and the push rod motor (404) and the lifting base plate (402) are fixedly connected.

5. An automatic balancing locking device according to claim 4, characterized in that: There are four radial sliding rails (5), and the radial sliding rails (5) are arranged in a middle radial direction in the middle of the workpiece positioning seat (2); The radial sliding track (5) comprises a radial track (501) arranged on the lifting base plate (402), and a radial sliding block (502) is movably arranged on the radial track (501).

6. An automatic balancing locking device according to claim 5, characterized in that: The locking device (6) comprises a rotating shaft sleeve (601) arranged on the radial slider (502), a rotating shaft body (602) being rotatably arranged inside the rotating shaft sleeve (601), two limiting rings (603) being arranged on the rotating shaft body (602) for pressing against the two end surfaces of the rotating shaft sleeve (601), and a tightening portion (604) being arranged at the lower end of the rotating shaft body (602); The tightening portion (604) is provided as a hexagonal groove.

7. An automatic balancing locking device according to claim 6, characterized in that: The synchronous control mechanism (7) comprises an annular groove (701) arranged on the lifting base plate (402), an adjusting ring (702) being rotatably arranged in the annular groove (701), four first hinged parts (703) being arranged on the upper end surface of the adjusting ring (702), the four first hinged parts (703) being evenly distributed around the central circumference of the adjusting ring (702), a second hinged part (704) being arranged on the radial slider (502), a push-pull connecting rod (705) being hinged between the first hinged part (703) and the closest second hinged part (704), and a driving component (706) for controlling the square rotation of the adjusting ring (702) being arranged on the lifting base plate (402).

8. An automatic balancing locking device according to claim 7, characterized in that: The driving assembly (706) comprises a passive gear (7061) arranged on the circumferential outer wall of the adjusting ring (702); a forward and reverse motor (7062) is arranged on the lifting base plate (402); a driving gear (7063) is arranged at the output end of the forward and reverse motor (7062); and the driving gear (7063) and the passive gear (7061) are meshed and driven.

9. An automatic balancing locking device according to claim 8, characterized in that: The rotary output assembly (8) comprises four drive motors (801) arranged on the upper plate (403); a telescopic transmission shaft (802) is arranged at the output end of the drive motor (801); a universal transmission shaft (803) is connected between the telescopic transmission shaft (802) and the upper end of a corresponding rotating shaft body (602); a limiting structure is arranged between the outer shaft sleeve and the inner shaft body of the telescopic transmission shaft (802); the limiting structure is used to ensure that the outer shaft sleeve and the inner shaft body rotate synchronously.

10. An automatic balancing locking device according to claim 9, characterized in that: The infrared locator comprises an infrared positioning sensor arranged on the lifting base plate (402), the infrared positioning sensor is communicatively connected to an encoder, and the encoder is communicatively connected to the forward and reverse motor (7062); The locking device (6) is provided with a locking screw; The infrared positioning sensor is used to locate the four hole spacings between the speed reducer and the connector; the four locking screws need to be installed in the four holes for connection respectively; Feedback the spacing information to the encoder, and the encoder then transmits the number of rotations of the forward and reverse motor (7062) to the forward and reverse motor (7062); The forward and reverse motor (7062) performs angular rotation, thereby adjusting the spacing between the four locking devices (6) to align with the four hole positions.

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